<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--准备好一个“容器”-->
<div id="test1"></div>

<!--引入react核心库-->
<script type="text/javascript" src="../js/react.development.js"></script>
<!--引入react-dom，用于支持react操作DOM -->
<script type="text/javascript" src="../js/react-dom.development.js"></script>
<!--引入babel，用于将jsx转为js -->
<script type="text/javascript" src="../js/babel.min.js"></script>

<script type="text/javascript" src="../js/prop-types.js"></script>

<script type="text/babel">
    //创建组件
    class Person extends React.Component {
        //构造器是否接受props，是否传递给super，取决于:是否希望在构造器中通过this访间props
        constructor(props) {
            console.log(props)
            super(props)
            console.log('constructor', this.props)
        }

        //对标签属性进行类型,必要性的限制
        static propTypes = {
            name: PropTypes.string.isRequired,
            sex: PropTypes.string,
            age: PropTypes.number,
            speak: PropTypes.func
        }

        //指定默认标签属性值
        static defaultProps = {
            sex: '男',
            age: 18
        }

        render() {
            const {name, age, sex} = this.props
            return (
                <ul>
                    <li>姓名:{name}</li>
                    <li>性别:{sex}</li>
                    <li>年龄:{age + 1}</li>
                </ul>
            )
        }
    }

    //2.渲染组件到页面
    ReactDOM.render(<Person name="jerry"></Person>, document.getElementById('test1'))
</script>
</body>
</html>